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gh-74028: `concurrent.futures.Executor.map`: avoid reference cycles when an exception is raised by ebonnal · Pull Request #131701 · python/cpython · GitHub

gh-74028: concurrent.futures.Executor.map: avoid reference cycles when an exception is raised - #131701

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ebonnal wants to merge 49 commits into

python:mainfrom

ebonnal:test/executor-map-ref-cycles

Commits on Mar 24, 2025

`test_concurrent_futures.test_map_exception`: assert no reference cycle from failed future captured in its exception’s traceback
ebonnal
committed
7dc850b

Commits on Mar 25, 2025

test there is no future in referrers
ebonnal
committed
19edced
switch to assertTrue(all(...))
ebonnal
committed
1c3d01a
add test msg
ebonnal
committed
fa790f1
format msgs
ebonnal
committed
e48d0e0
switch to assert list empty for a better assertion error message
ebonnal
committed
99850b8

Commits on Mar 26, 2025

edit comment
ebonnal
committed
6e78014
Merge remote-tracking branch 'cpython/main' into test/executor-map-ref-cycles
ebonnal
committed
48ed15d

Commits on Mar 30, 2025

Merge branch 'main' into test/executor-map-ref-cycles
graingert
authored
f59c749
assert there are no reference cycles at all
graingert
committed
3dc2461
avoid a reference cycle in subinterpreter pools
graingert
committed
4dce280
test that traceback frames should not contain any variables referring to an Exception or a failed Future
ebonnal
committed
9bc69b9
interpreter.WorkerContext.run: finally unassign exc_wrapper
ebonnal
committed
9c781c1
fix msg grammar
ebonnal
committed
a438301
fix access to exception
ebonnal
committed
ada6140
narrow test: traceback frames should not contain any exception
ebonnal
committed
d5e8c7a

Commits on Mar 31, 2025

clean up exc_wrapper with minimal indentation
ebonnal
committed
c4b771a
test_map_exception: only search for exception that captures itself in its own traceback
ebonnal
committed
03f8ab4
concurrent.futures.process: avoid ref cycle in _sendback_result
ebonnal
committed
ef30122
concurrent.futures.process: avoid ref cycle in _process_worker
ebonnal
committed
09b0819
format test msg
ebonnal
committed
4fab860
Merge remote-tracking branch 'cpython/main' into test/executor-map-ref-cycles
ebonnal
committed
0714013
refactor ZeroDivisionError assert
ebonnal
committed
f5135ab
Revert "concurrent.futures.process: avoid ref cycle in _process_worker"
ebonnal
committed
855c427
Revert "concurrent.futures.process: avoid ref cycle in _sendback_result"
ebonnal
committed
4504516
skip referrers test for free-threading build on win/linux
ebonnal
committed
fc7a569
call gc.collect for free-threading on linux/windows
ebonnal
committed
cae6474

Commits on Apr 1, 2025

Commits on Apr 3, 2025

Merge branch 'main' into test/executor-map-ref-cycles
graingert
authored
7b7a5e6
more gc referrers
graingert
committed
3b00c5f
even more gc referrers
graingert
committed
1948eb3

Commits on Apr 4, 2025

Commits on Apr 5, 2025

fix typo
graingert
committed
548d517
Merge branch 'main' into test/executor-map-ref-cycles
graingert
authored
fac7e89
bit of a hack?
graingert
committed
fd9a89e

Commits on Apr 7, 2025

Revert investigations
ebonnal
committed
dbaa044
pause before checking referrers
ebonnal
committed
869e4b7
Merge remote-tracking branch 'cpython/main' into test/executor-map-ref-cycles
ebonnal
committed
a40b9b8
add comment about the avoided ref cycle with exc_wrapper
ebonnal
committed
1ee9bf4
format test
ebonnal
committed
95765f6
Merge remote-tracking branch 'cpython/main' into test/executor-map-ref-cycles
ebonnal
committed
9020971
make the self-captured exceptions check not rely on var name
ebonnal
committed
a5c6b17
use traceback.walk_tb
ebonnal
committed
0f8748c
comment the skipping of the current frame
ebonnal
committed
85a3c36

Commits on Apr 23, 2025

test_map_exception: improve readability
ebonnal
committed
82542f3

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